A buffer solution contains 0.53 mol of hydrosulfuric acid (H2S) and 0.10 mol of sodium hydrogen sulfide (NaHS) in 8.70 L. The Ka of hydrosulfuric acid (H2S) is Ka = 9.5e-08. (a) What is the pH of this buffer? pH = ____
A buffer solution contains 0.53 mol of hydrosulfuric acid (H2S) and 0.10 mol of sodium hydrogen sulfide (NaHS) in 8.70 L. The Ka of hydrosulfuric acid (H2S) is Ka = 9.5e-08. (a) What is the pH of this buffer? pH = ____
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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A buffer solution contains 0.53 mol of hydrosulfuric acid (H2S) and 0.10 mol of sodium hydrogen sulfide (NaHS) in 8.70 L.
The Ka of hydrosulfuric acid (H2S) is Ka = 9.5e-08.
(a) What is the pH of this buffer?
pH = ____
(b) What is the pH of the buffer after the addition of 0.44 mol of NaOH? (assume no volume change)
pH = ____
(c) What is the pH of the original buffer after the addition of 0.02 mol of HI? (assume no volume change)
pH = ____
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